IDENTIFIERS

  • Current Taxon Name (Soil Name): Holter
  • OSD
  • Series Extent
  • User Site ID: S1991MT049012
  • User Pedon ID: 91MT049012
  • Vegetation Plot ID: S1991MT049012
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0503
  • NCSS Pedon Lab Data NASIS Record ID - 64742
  • Print Date: 6/2/2024

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 46.9174004
  • Std. Longitude: -112.1933899
  • Datum: WGS84
  • Township: 13N
  • Range: 5W
  • Section: 2
  • PLSS Details: 700 feet W and 600 feet S of NE corner
  • State: Montana
  • County: MT049—Lewis and Clark

    • PEDON

  • Describers Name: LCB, SDS
  • Pedon Type: OSD pedon
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 12
  • Sampled As Information:
  • Soil Name - Holter
  • Taxonomic Class - Loamy-skeletal, mixed Typic Argiborolls
  • PSC - 30 to 81 cm.
  • Classificaton Date - 10/18/1978
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: mountains
  • Geomorphic Component Hills: side slope
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/18/1978 (actual site observation date)
  • Air Photo ID: 9P-72
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ACMIO

    ANTEN

    ARFR4

    FECA4

    FEID

    KOMA

    LUPIN

    Achillea millefolium var. occidentalis

    Antennaria

    Artemisia frigida

    Festuca campestris

    Festuca idahoensis

    Koeleria macrantha

    Lupinus

    western yarrow

    pussytoes

    prairie sagewort

    rough fescue

    Idaho fescue

    prairie Junegrass

    lupine

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    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    40

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    1463

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    45

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    A1—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; channery loam; moderate very fine platy parts to moderate very fine granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 21.0 very fine roots; 20 percent by volume unspecified fragments; very slight effervescence; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # 92P02926
    A2—20 to 30 centimeters (7.9 to 11.8 inches); dark brown (10YR 3/3), brown (10YR 4/3), dry; very channery loam; moderate fine subangular blocky structure; slightly hard, very friable, moderately sticky, slightly plastic; 21.0 very fine roots and 0.5 fine roots; 21.0 very fine interstitial and tubular pores; 55 percent by volume unspecified fragments; very slight effervescence; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # 92P02927
    Bt1—30 to 71 centimeters (11.8 to 28.0 inches); brown (10YR 4/3), yellowish brown (10YR 5/4), dry; extremely channery clay loam; moderate fine and medium subangular blocky structure; slightly hard, friable, moderately sticky, slightly plastic; 3.0 very fine roots and 0.5 fine roots; 21.0 very fine interstitial and tubular pores; 30 percent faint clay films; 65 percent by volume unspecified fragments; very slight effervescence; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary. Lab sample # 92P02928
    Bt2—71 to 107 centimeters (28.0 to 42.1 inches); dark yellowish brown (10YR 4/4), brown (10YR 5/3), dry; extremely channery clay loam; moderate fine and medium subangular blocky structure; slightly hard, friable, moderately sticky, slightly plastic; 3.0 very fine roots and 0.5 fine roots; 21.0 very fine interstitial and tubular pores; 30 percent faint clay films on faces of peds; 65 percent by volume unspecified fragments; very slight effervescence; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # 92P02929
    Bk—107 to 152 centimeters (42.1 to 59.8 inches); dark yellowish brown (10YR 4/4), brown (10YR 5/3), dry; extremely channery loam; weak fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots and 0.5 fine roots; 21.0 very fine interstitial and tubular pores; 60 percent by volume unspecified fragments; strong effervescence; slightly alkaline, pH 7.4, hellige-truog. Lab sample # 92P02930